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Finding the Fourth Proportional to 148,346.83, 204,719.15 and 80,363.63

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Solution

The fourth proportional to 148,346.83, 204,719.15 and 80,363.63 is: 110,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,346.83 : 204,719.15 = 80,363.63 : x
  2. Step 2: Convert to fraction form
    148,346.83/204,719.15 = 80,363.63/x
  3. Step 3: Cross multiply
    148,346.83x = 204,719.15 × 80,363.63
  4. Step 4: Simplify right side
    148,346.83x = 16,451,973,997.29
  5. Step 5: Solve for x
    x = 16,451,973,997.29/148,346.83
  6. Step 6: Final answer
    x = 110,902.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.